Threat Database Trojans Trojan.Agent.PFU

Trojan.Agent.PFU

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,455
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: June 4, 2025
Last Seen: June 1, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.PFU on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and how to remove it effectively.

What Is Trojan.Agent.PFU?

Trojan.Agent.PFU is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs or files. The term "Trojan" originates from the legendary Trojan Horse, where attackers hid inside a giant wooden horse to gain access to a secure area. Similarly, Trojan malware hides within seemingly harmless files or programs, waiting for the perfect moment to strike and compromise the system. The ".PFU" part of the name might indicate a specific variant or a detection signature used by security software, but without more context, it's challenging to determine its exact meaning or implications.

How Trojan.Agent.PFU Operates

Once installed on a system, Trojan.Agent.PFU can operate in various ways, depending on its intended purpose. Some common behaviors include data theft, where the malware collects sensitive information such as login credentials, credit card numbers, or personal data. It might also install additional malware, create backdoors for remote access, or engage in other malicious activities like spamming, clickjacking, or exploiting system vulnerabilities. The exact operation mode can vary, making it crucial to identify and remove the threat as soon as possible to prevent further damage.

Symptoms of Infection

Identifying a Trojan infection can be challenging, as these malware types are designed to remain stealthy. However, some common symptoms might include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs and icons appearing on your desktop or in your system tray. You might also notice increased network activity, even when you're not using the internet, or receive warnings from your security software indicating potential threats. Since Trojans can mimic legitimate programs, it's essential to be vigilant and monitor your system's behavior closely.

How to Remove Trojan.Agent.PFU

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to give you a clean environment to work in.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
  3. Uninstall any suspicious programs or applications that you don't recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or settings that the Trojan might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Agent.PFU requires a systematic approach to ensure that all components of the malware are eliminated from your system. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious with emails and downloads, you can protect your computer from future threats. Remember, prevention is key, but swift action upon detection is crucial to minimizing the damage caused by malware like Trojan.Agent.PFU.

Analysis Report

General information

Family Name: Trojan.Agent.PFU
Signature status: No Signature

Known Samples

MD5: 053fb000eb0833d950d9de28bf067ad3
SHA1: 6ecf2fa1d45521cea60ef9cdba0b0b654f23c530
SHA256: CB4F4B918D5E8D462335311F1472C8E3475B85620A77071B03369A0CD624789E
File Size: 129.02 KB, 129024 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • x64

Block Information

Total Blocks: 473
Potentially Malicious Blocks: 10
Whitelisted Blocks: 463
Unknown Blocks: 0

Visual Map

0 x x 0 x x x x x 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 x 0 2 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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